baber/WOPTO huggingface dataset:
Patent DE-4132123-A1 (DE)
Title: Flexible impermeable tubing for coolants of fuels - with inner tube of polyimide-acrylic] rubber grafted blend, intermediate reinforcement and outer cover of polyolefin-EPDSM or butyl blend
Inventor: KITAMI TETSU
IPC: B32B27/08
Filed: 1991-09-26
Abstract: (A) an inner tube formed from a polymer blend in which a polyamide forms a continuous phase and an acrylic rubber a discontinuous phase, the polyamide being grafted with the acrylic rubber; (B) an intermediate reinforcing layer of synth. fibres or metal wire; and (C) an outer laminated cover layer of a blend having a continuous polyolefin phase and a discontinuous phase of ethylene-propylene-diene (EPDM) copolymer rubber on a butyl rubber-based material, the rubber being at least partially vulcanised.  In the second embodiment components () and (C) are as above but component (A) has (i) an inner wall consisting of a polyamide opt. demixed with a polyolefin; and (ii) an outer wall consisting of either (a) a grafted blend as described for (A) above; or (b) a blend consisting of a polyolefin continuous phase and a discontinuous phase comprising an EPDM rubber, a butyl rubber-based material and/or an acrylonitrile/ butadiene (i.e. nitrile) rubber, with the rubber at least partially vulcanised. USE/ADVANTAGE - The novel tubings can be used for conveying various Freons (RTM) or fuels.  They show good flexibility combined with high gas-impermeability and good moisture tightness and can be easily prepd. without the nedd for vulcanisation.  A wide range of graphs and tables illustrate these properties in comparison with the corresp. properties for prior-art tubings of US4950436 or of the type having an inner tube of nitrile rubber and an outer covering of chloroprene.
Patent DE-4132164-A1 (DE)
Title: Slide ring seal for pump shaft - uses coil spring as conveyor for fluid
Inventor: JAEGER CHRISTOPH
IPC: F16J15/34
Filed: 1991-09-27
Abstract: The slide ring seal has a rotary sealing part (18) on the shaft and enclosed by a housing wherein at least one coil spring (36, 40) in the sealing chamber (38) is pref. fixed on the rotary sealing part under pretension. The spring (40) could be fitted with force locking action in the sealing chamber (38) where it clings against the inner face (42) of the outer sealing part (18). The coil spring (36) of the rotary sealing part (16) can be enclosed by a further coil spring (40) adjoining the inner face (42) of the outer sealing part (18). ADVANTAGE - Using coil springs made by winding processes 15 cheaper than using a conveyor element made by turning and milling processes.
Patent DE-4137759-A1 (DE)
Title: Appts. to improve flow in deeper layers of inland and coastal water pref. by aeration - has mixer within rising tube and insertion feed to deliver medium and gas under pressure into lower water levels
Inventor: AHSBAHS VOLKER DIPL ING
IPC: C02F3/12
Filed: 1991-11-16
Abstract: The appts. comprises a rising tube and a falling tube linked by a transfer chamber which is part of a swim body. A pump sucks water from the rising tube, so that deep water is sucked in and delivered to a mixing unit whose outlet is lower than the rising tube, and an inlet lead for the appts. has its open end above the water surface. The mixing unit is within the rising tube. A motor-driven feed (70,72) is connected to the insertion system to force the medium together with a gas, under pressure, into the mixing unit. USE/ADVANTAGE - The appts. is to overcome stagnation effects, at inland and inshore waters through artificial aeration and/or to act on the phosphate and nitrate content. The action gives aeration and corrective action at lower levels of the water with an effective operation and intense mixture of the medium.
Patent DE-4141525-A1 (DE)
Title: Brake disc with cooling - has brake disc bolted to locating flange inside wheel rim via clamping ring
Inventor: HOEVEKENMEIER CHRISTOPH
IPC: B60T1/06
Filed: 1991-12-17
Abstract: The brake disc (3) is cast as a separate item and is located against an internal flange of the wheelrim(1). A clamping ring (2) is secured to the wheelrim with threaded fasteners. The brake disc locates on the fasteners via notches for rotational stability. The brake callipers are on a sliding fit and are removed with the wheel, enabling the brake disc to be lifted out of the callipers. Heat generated through braking is distributed through the whole wheelrim. ADVANTAGE - Less thermal stresses on brake disc mounting, simple brake disc replacement, improved braking effect from wider diameter brake disc.
Patent DE-4141976-A1 (DE)
Title: Loose material germ removal - by heating wetted material with microwave for germination followed by higher temp. to kill germs before fresh spores develop
Inventor: SATOW KURT DIPL ING
IPC: A23L3/01
Filed: 1991-12-19
Abstract: To remove germs from loose material, esp. loose herbs, the material is initially steam wetted and then dried by microwave energy at an initial low temp. to germinate any spores, and this temp. is maintained for a set duration. The heat is then raised further by microwave energy to a higher temp. to kill any germs before new spores can develop. USE/ADVANTAGE - The method is to render foodstuffs, esp. loose herbs, germ-free, using low temps. and short process times with effective destruction or redn. of germs and spores. Pref. second heating stage is modified so that the material is first heated for 5-10 mins. at 60-80 deg.C before a return to the initial lower temp. The opening temp. is 50-65 deg.C for 30-120 mins. and pref. 45-70 mins., followed by 70-100 deg.C and pref. 75-95 deg.C for 3-15 mins. and pref. 5-10 mins. The material is finally dried in vacuum with further microwave energy, with a vacuum setting to give an eveporation temp. of 50-60 deg.C. The material is recirculated during processing.
Patent DE-4200228-A1 (DE)
Title: Preformed packaging for packing eggs - has hollow cones arranged between top and bottom covers made of corrugated cardboard
Inventor: FUHRMEISTER RALF
IPC: D21H27/40
Filed: 1992-01-08
Abstract: Preformed packaging is made from wood pulp, with a base and top late layer, and retaining material glued between. This retaining structure has hollow cones laid alternatively in an upwards and downwards configuration. The top (2) and bottom (1) layers are pref. of corrugated cardboard, with the corrugation uppermost on top and down at the bottom. The direction of the channels is set at right angles. The cone structure (6,7,8,9,10) is set alternatively in such a manner that the base (7) is at the centre of four surrounding peaks (9,10). USE/ADVANTAGE - The carton, pulp and corrugated paper assembly is environment friendly, and replaces polystyrene. The packaging is stable, light and flexible in thickness.
Patent DE-4204462-A1 (DE)
Inventor: HUIS WOLFGANG
IPC: H01H47/22
Filed: 1992-02-14
Abstract: A bistable relay having at least one changeover contact and one make contact, which lies in the circuit of the components which are to be controlled or of the operating circuit which is to be controlled is characterised in that an RC circuit is connected to the connection of the changeover contact, that is to say to the moving switching arm of the same, and in that the outputs of the changeover contact are in each case connected to one of the two actuating coils of the relay in such a manner that, when the RC circuit is energised, the relay and hence the changeover contact and the make contact switch over. <IMAGE>
Patent DE-4208576-A1 (DE)
Title: Guide pulley with semi-circular guide for chain conveyor - is made in one cylinder piece from shape-resistant wear-resistant material.
Inventor: HAEBERLE GERD
IPC: B65G21/20
Filed: 1992-03-14
Abstract: The dia. of the centre web (2) is smaller than 300% of the chain division (71).  A groove running across the direction of movement of the chain is provided on the guide pulley for fixing one end of the conveyor. Bores can run perpendicularly through the groove. Except for the centre web section required for guiding the chain the outer radius remains unworked. USE/ADVANTAGE - Simple prodn. and fitting of guide pulley. Suitable for conveyors which are set up close behind each other.
Patent DE-4213278-A1 (DE)
Title: Data input control for postal franking machine
Inventor: THIEL WOLFGANG DR
IPC: G07B17/00
Filed: 1992-04-16
Abstract: A portable postal franking machine for use by a number of individuals has an I/O stage (6) that is bus coupled to a CPU (5), memory (3) and clock in an internal system. Other inputs are provided from a weighing unit (22) and keyboard (8). A special circuit is provided in the form of a battery powered CMOS-RAM and an EEPROM within the memory (3).The base of the machine contains a printer module (7) and a power electronics and/or actuator sensor module (11). Access to the unit is by using a chip card containing user data and tabulated data that enables handling of different tariff data and user control.
Patent DE-4218263-A1 (DE)
Title: Taking wax impressions of patient's upper or lower teeth - involves shaped mould plate and initially flat place holding plate
Inventor: HERRMANN JOSEF
IPC: A61C9/00
Filed: 1992-06-03
Abstract: The mould may be used for taking wax impressions of a patient's teeth. A flat place holder plate may be used, which may have a variety of different shapes. Further shapes may be used for the mould plate, which may fit the row of teeth in the upper jaw or the lower jaw. The teeth (8) may fit into a trough (7) which may be filled with wax (12), and as the patient bites on the wax it forms an impression of the teeth and overflows (13) out of the trough. The place holder plate (11) deforms and ends up fitting over the teeth. USE/ADVANTAGE - Easy taking of impressions of patient's teeth.
Patent DE-4219071-A1 (DE)
Inventor: HEROLD MANFRED DR ING
IPC: A61M5/14
Filed: 1992-06-11
Abstract: The invention relates to radiation sterilizable recyclable infusion and transfusion devices comprising a protective cap (1), a puncturing part (2), a venting part with an air filter and a valve body (3), a liquid duct (4), a drip tube (5), a drip chamber (6), a liquid filter (7), a flexible tube (8), a flow governor (9), a spray-in part (10), a connecting piece with outer cone (11) and a protective cap (12), which are characterised in that all the components are made of thermoplastic or elastomeric homopolymers, copolymers, block copolymers based on polyolefins.
Patent DE-4227786-A1 (DE)
Title: Rotary piston machine or power unit - has six pistons arranged in star formation about seventh piston, creating small and large working chambers on rotation
Inventor: PROSSER DIETER DIPL ING
IPC: F01C1/28
Filed: 1992-08-19
Abstract: The piston machine has a set of six triangular rotary pistons arranged in the form of a star about an inner (central) triangular rotary piston of the same size. On the rotation of all the pistons, alternately enlarging and reducing spaces (chambers) are created which are used as working chambers. The arrangement can be constructed and installed as a working machine or as a power unit. In the latter case the design can be for a two-stroke or four-stroke petrol or diesel engine. ADVANTAGE - Has a compact construction giving a uniform scavenging action and improved exhaust gas values.
Patent DE-4227957-A1 (DE)
Title: Domestic appliance insulation - has an intermediate carrier for easy removal when the appliance is scrapped for recycling
Inventor: HETTENHAUSEN ULRICH
IPC: D06F37/26
Filed: 1992-08-22
Abstract: The insulating matting (5) for a domestic appliance, especially for acoustic and/or thermal insulation for a dish or clothes washing machine, is bonded to the body of the washing unit (2) through a single- or multi-layer intermediate carrier (6), which can be peeled or split from the housing (2) wall or from the insulation matting (5). Also claimed is an insulation matting (5) with a single- or multi-layer carrier material as a laid bitumen mat forming a removable or peeling wall covering with the mat. Pref. the intermediate carrier (6) is adhesive bonded to the appliance body (2) and/or with the insulation matting (5), and the adhesive bonding can itself act as the intermediate carrier, as a fusible adhesive or pref. a peelable adhesive. The intermediate carrier (6) is of paper and/or an applied plastics film, applied wholly or partially on the insulation matting (5) and/or the appliance housing (2) wall sections. USE/ADVANTAGE - The matting is for acoustic and/or thermal insulation of a domestic appliance, especially a dish or clothes washing machine. The insulation can be removed from the housing easily and rapidly, when the appliance is scraped for recycling.
Patent DE-4232029-A1 (DE)
Title: Noise protection wall
Inventor: MARKER NORBERT
IPC: E01F8/02
Filed: 1992-09-24
Abstract: Published without abstract.
Patent DE-4236408-A1 (DE)
Inventor: TELGES BURKHARD DIPL ING
IPC: H04B3/20
Filed: 1992-10-28
Abstract: Described is a switchable attenuation device (ES1, ES2) for the selective attenuation of digital signals, having a final control element (MULT) for analyzing the signal values using an attenuation factor (At) that determines the momentary attentuation value, and having a control means (CM) for controlling step-by-step the change in attenuation value within a predetermined turn-on or turn-off time, the control means (CM) having at least one digital filter (DF) which controls the attenuation value change (A1') by filtering a turn-on or turn-off pulse (X). Described also is the use of such attenuation devices as echo attenuating devices in cordless telephones and telephones with handsfree conversing equipment.
Patent DE-4239198-A1 (DE)
Title: Protecting cars against theft by separating off the reverse gear lock
Inventor: FEHRENBACHER ALFRED
IPC: B60R25/00
Filed: 1992-11-21
Abstract: Protecting motor vehicles against theft by means of a reverse gear engagement lock which acts on the gear lever and can be raised against the latter, the said lock being made nonremovable during parking of the vehicle by the invention, as in many cases the reverse gear is necessary for the vehicle to be driven away. This is achieved by covering the gear lever with a casing and by securing the position of the latter in an exclusive manner by use of a locking bolt in the casing, which bolt is part of a cylinder lock and engages behind the gear changing knob.
Patent DE-4300602-A1 (DE)
Title: Seat cushion for one person
Inventor: BOEHMER HANS-ELMAR DR MED
IPC: A61G5/10
Filed: 1993-01-13
Abstract: The seat surface slopes at an angle of 8 degrees, increasing in height towards the back. The front part has a straddling part (3) which splays out the sitter's legs by about 60 degrees. The seat is in the form of a pad, upholstery, etc.
Patent DE-4302544-A1 (DE)
Title: Rear-wheel steering control system with stepper motor - returns rear wheels to neutral position by opening valve in hydraulic system on detection of fault
Inventor: OHMURA HIROSHI
IPC: B62D7/14
Filed: 1993-01-29
Abstract: The attitude of the rear wheels (16) w.r.t. that of the front wheels (12) is adjustable (20) by a high-speed stepping motor controlling a hydraulic drive. The control unit (22) responds to measurements of road speed (24), yaw angle (25), front-wheel steering angle (26) and rear-wheel attitude ratio (28). When a fault is detected in the control system and the ratio goes out of phase, the hydraulic pressure in the servo cylinder is released (31) at the same time as the motor current is cut off. USE/ADVANTAGE - In phase-inversion system of steering control, stable movement of vehicle is ensured by release of hydraulic pressure in event of trouble.
Patent DE-4309635-A1 (DE)
Title: Vortex seal
Inventor: BACH JOACHIM
IPC: F16J15/447
Filed: 1993-03-24
Abstract: Published without abstract.
Patent DE-4310918-A1 (DE)
Title: Multiplication circuit
Inventor: MERKLE PAUL
IPC: G06F7/491
Filed: 1993-04-02
Abstract: The multiplication circuit according to the subject of the invention differs only slightly from the multiplication circuit according to the main patent application (P 4309178.4). <IMAGE>
Patent DE-4316562-A1 (DE)
Title: Hydraulic double-yoke tightener with support
Inventor: JANSEN-HERFELD ROETTGER
IPC: B27B3/34
Filed: 1993-05-18
Abstract: Hydraulic double-yoke saw tightener with support, the two tightening yokes of which are connected to the head cross-pieces only by bolts, in which arrangement the head cross-pieces can be vertically bolted to the bottom plate arranged between saw frame and saw tightener by at least four bolts which are located at the corners of the hydraulic saw tightener, and the tipping moment is absorbed in this area only by these draw-in bolts and in the intermediate area by stays which are bolted to the bottom plate and are supported against the saw frame.
Patent DE-4318308-A1 (DE)
Title: Release knife, e.g. for butcher, with ergonomic grip - has handle having troughs and alternating arched formations matching ergonomically inner surface of gripping hand
Inventor: MUEGGE JUERGEN
IPC: B25G1/10
Filed: 1993-06-02
Abstract: The trough (3) for the small finger of the knife-guiding hand is located at the grip end facing the blade (1) and those (3) for the thumb and index finger are at the opposite end to the blade. The blade has one cutting edge. The cutting edge (5) after gripping with either the right or left hand points to the wrist of the user. At the end of the grip facing the blade (1) is a hand edge protection (6) which is expanded in the direction of the back of the knife-guiding hand. At the end of the grip opposite to the blade is a pommel (7) and the centre of gravity of the knife is located in the grip. USE/ADVANTAGE - A knife which is comfortable to use when cutting from top to bottom as with butchers when dissecting a hung carcass.
Patent DE-4319108-A1 (DE)
Title: Work space for the driver of a local transport rail vehicle
Inventor: GELBERT LUTZ DIPL ING
IPC: F02B3/06
Filed: 1993-06-04
Abstract: In local public transport, for example on a diesel rail bus, the tasks of the train driver include driving the train and selling tickets. Known train driver work spaces have a control and instrument console which is constructed in a U shape and is located in front of the front window, the control devices being arranged centrally around a point which corresponds approximately to the centre point of the body of the train driver. The device for selling tickets is arranged here on a part of the driving console which is extended forwards on the side. The object of the invention is to provide optimum working conditions for the train driver taking into account the different body sizes and arm lengths for all functional areas and secondary areas. This is achieved in that the control and instrument console (5) and the device (7) for selling tickets are arranged separately one opposite the other in a central position about a point (M). The point (M) which serves simultaneously as a mounting point and pivot point for the driver's seat (9) is selected here such that the functional elements of the control and instrument console (5), and after rotation of the driver's seat (9) by between 90 DEG  and 180 DEG , the functional elements of the device (7) for selling tickets are located on the one hand within easy access of the train driver and on the other hand are simultaneously located in the entry region (8) for passengers. <IMAGE>
Patent DE-4321588-A1 (DE)
Title: Stepless friction roller drive for vehicle - has first and second roller drive units and take=off gear wheel in form of bevelled wheel angled to produce tension force
Inventor: HIBI TOSHIFUMI
IPC: F16H37/02
Filed: 1993-06-29
Abstract: Stepless friction roller drive having first (22) and second (24) friction roller drive units. A take-off gear wheel (55) in the form of a bevel toothed face wheel has such a bevel angle that a force is produced which tensions a second driven disc (34) in the direction of a second drive disc. The tensioning action occurs during the forward direction travel of the vehicle, when a torque moment is transferred from the engine to the drive shaft (38). ADVANTAGE - Enlarges the torque transfer capacity of the second friction roller unit and improves the stability of the entire drive.
Patent DE-4321737-A1 (DE)
Title: Device for detecting and measuring oxidisable gases
Inventor: HELLMANN JOSEF DIPL ING
IPC: G01N27/12
Filed: 1993-06-30
Abstract: The invention relates to a device for detecting and measuring oxidisable gases, in particular H2, CO and CH4 in industrial systems, the device having at least one metal oxide element operated at different selectively active temperatures and having an electrical heating system, for example a single-part or multiple-part layer sensor comprising SnO2, and the device having an electrical signal-formation unit specifying the gas conditions, which unit detects and outputs, for example, the individual concentrations of the oxidisable gases, their ratios and, in particular, their variation coefficients, and the metal oxide elements having a gas-influencing cover layer (26, 29) which covers all or part of their surface and, in particular, influences the diffusion of the oxidisable and other gases to the metal oxide with an intentional effect. <IMAGE>
Patent DE-4325591-A1 (DE)
Title: Dihydrophenazine polymers
Inventor: KREUDER WILLI DR
IPC: C08G69/32
Filed: 1993-07-30
Abstract: Polymers containing structural units of the formula (I) <IMAGE> where R<1> and R<2> are either H or together are a fused benzene or naphthalene ring system are described.
Patent DE-4327393-A1 (DE)
Title: Side impact protection in the form of a profiled element which can be fastened on the door of a motor vehicle and method for the production of the profiled element
Inventor: NICKEL LOTHAR
IPC: B21D47/01
Filed: 1993-08-14
Abstract: The invention relates to side impact protection in the form of a profiled element which can be fastened on the door of a motor vehicle and to a method for the production of the profiled element. The side impact protection preferably comprises a profiled element bent out of a single sheet-metal part and not welded. On its outer side surface, the profiled element has deformable predetermined bending points which, in the event of an accident, ensure a targeted deformation of the profiled element at a constant, high level of force over a relatively large deformation path and hence ensure optimum dissipation of the impact energy from whatever has caused the accident. <IMAGE>
Patent DE-4335018-A1 (DE)
Title: Safety device for a projectile fuze
Inventor: GOEHRING WERNER
IPC: F42C15/188
Filed: 1993-10-14
Abstract: In the case of a safety device for a projectile fuze, a detonator (15) which is arranged on a rotor (3) is outside a fuze chain in the safe position, and is pivoted into the fuze chain in the armed position. In order to improve handling safety, the rotor (3) is assigned a rotor compression spring (8) which does not apply stress to the rotor (3) until the firing acceleration occurs. The rotor (3) engages with a guide curve (4) whose first section (5) pivots the rotor (3) during the firing acceleration such that its second section (6) pivots the rotor (3) into the armed position, after firing, under the influence of the rotor compression spring (8). <IMAGE>
Patent DE-4400438-A1 (DE)
Title: Diode
Inventor: TSUJI KENJI
IPC: H01L29/866
Filed: 1994-01-10
Abstract: A diode is described which is suitable for absorbing a voltage spike and which has a semiconductor substrate, a pn junction defined in the semiconductor substrate and an exothermic central region neighbouring the pn junction, which central region causes zener breakdown of the pn junction when an overload current is applied to the diode. This diode has improved properties in regard to a voltage spike by making use of the secondary breakdown and prevents a drop in yield because of the fluctuations in resistance of the wafer used.